‘Justin Bieber sounds like her. Haha he sounds like a girl. They have similar voices but she sounds better because she is a girl,’ posted another bemused viewer of Heather’s clip.

In the video, she’s accompanied by dad James on guitar.

Her skills have already grabbed the attention of Grammy-winning producer Rob Fusari, the man responsible for mentoring a certain Lady Gaga (comment by one viewer: ‘She’s way better than Lady Gaga ‘), and rumour has it a debut album could be on its way.

‘At five years old she had a vibrato; at eight years old Heather wrote her first song on the piano called Beautiful,’ Fusari says on his website.

‘At nine, Ashton Kutcher tweeted about her to Demi Moore [and] Ellen DeGeneres wants her on the show.’

In 2007, Baby warbler Bieber was discovered on YouTube by his current manager after his mum posted videos of him singing pop tunes.

A record deal followed soon after, before true success arrived just this week in the form of James Corden ‘s aforementioned Brit awards ‘man crush’.